6605655163 has 4 divisors (see below), whose sum is σ = 6717615480. Its totient is φ = 6493694848.

The previous prime is 6605655151. The next prime is 6605655179. The reversal of 6605655163 is 3615565066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6605655163 is a prime.

It is a super-3 number, since 3×6605655163³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6605625163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55980070 + ... + 55980187.

It is an arithmetic number, because the mean of its divisors is an integer number (1679403870).

Almost surely, 2^6605655163 is an apocalyptic number.

6605655163 is a deficient number, since it is larger than the sum of its proper divisors (111960317).

6605655163 is a wasteful number, since it uses less digits than its factorization.

6605655163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111960316.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 6605655163 is about 81275.1817161918. The cubic root of 6605655163 is about 1876.3130512738.

The spelling of 6605655163 in words is "six billion, six hundred five million, six hundred fifty-five thousand, one hundred sixty-three".